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PubMed2005

Williams syndrome: pediatric, neurologic, and cognitive development.

This study examines the developmental history of 32 Williams syndrome patients, positive to the fluorescence in situ hybridization (FISH) test. The information is intended to provide help for early diagnosis and appropriate stimulation of these patients. In the sample reported here, only about half of the patients referred with presumptive diagnosis were in fact FISH+, indicating that facial dysmorphism may not be the most reliable sign for diagnosis. Initial pediatric signs are developmental delay and nocturnal irritability. In consultation, facial dysmorphies and heart murmur are detected. There is also low birth weight, failure to thrive, unsuccessful breastfeeding, and gastroesophageal reflux. All these symptoms are strongly suggestive of Williams syndrome. Subsequent steps consist of cardiologic studies. Our results indicate that the triad of symptoms consisting of infantile hypercalcemia, dysmorphic facies, and supravalvular aortic stenosis, which until recently was considered fundamental for Williams syndrome diagnosis, is not usually present and does not lead to an early diagnosis. Cognitively, these children are characterized by hypersociability, hyperacusia, deficient visuoconstructive abilities, attentional deficit and hyperactivity, and in some cases, spontaneous musical interests. There are no special verbal skills. The results of this study indicate that the concept of Williams syndrome patients as language- and musically-gifted is not fully accurate.

Adolescent↗
PubMed2005

Severe lethal spinal muscular atrophy variant with arthrogryposis.

Spinal muscular atrophies are a clinically and genetically heterogeneous group of disorders. Atypical forms of the disease have also been described, including those with associated sensory deficits, hearing loss, cerebellar hypoplasia, congenital heart defects, arthrogryposis, and bone fractures at birth. The patient described here is a male infant, born to a 30-year-old mother at 34 weeks of gestation complicated with polyhydramnios. The first son of consanguineous parents had died with the same clinical features. The patient required ventilatory support because of respiratory failure after the birth and died on day 13. His physical examination revealed profound generalized hypotonia, absence of deep tendon and neonatal reflexes, dysmorphic facies, arthrogryposis, clinodactyly, and left femur fracture. A muscle biopsy revealed variation in fiber size with occasional hypertrophic fibers. The postmortem examination revealed loss and degeneration of anterior horn cells. We propose that the patient, who presented with severe hypotonia, femur fracture, arthrogryposis, dysmorphic features, history of early death of his brother with the same clinical features and parental consanguinity, had probable X-linked spinal muscular atrophy. However, autosomal-recessive inheritance can not be completely excluded.

Arthrogryposis↗
PubMed1999

Oropharyngeal leprosy in art, history, and medicine.

Advanced lesions of the face, nasopharynx, and oropharynx have played an important role in the medical and social history of Hansen's disease. Renaissance artists included detailed portrayals of these lesions in some of their paintings, a testimony not only to their artistic skill and powers of observation but also to the common presence of these patients in European cities and towns of the period. The disease is now understood as a broad immunologic spectrum of host responses to Mycobacterium leprae, with a variety of clinical and pathologic manifestations in nerve, soft tissues, and bone. This review incorporates the findings of 2 extraordinary studies (one from Europe and the other from Japan) of pharyngeal and facial lesions. In the 1950s, studies of skeletal remains from the churchyard of a Danish leprosarium revealed a triad of maxillofacial lesions unique to leprosy and designated facies leprosa. In pre-World War II Japan, before effective treatment had been discovered, a prominent otorhinolaryngologist studying oropharyngeal and nasopharyngeal lesions prepared watercolor illustrations of the natural progression of untreated Hansen's disease. As a result of effective antimicrobial therapy, such advanced lesions are now rarely seen, but the presenting signs and symptoms of leprosy still occasionally arise in the nasal and oral mucosa. The nasopharynx and oropharynx may be important early sites of inoculation and infection by M leprae, and they require additional emphasis in worldwide efforts toward early diagnosis and treatment of Hansen's disease.

Europe↗
PubMed2000

Alagille syndrome. The widening spectrum of arteriohepatic dysplasia.

Alagille syndrome was described more than 35 years ago as a genetic entity characterized by five major features: chronic cholestasis resulting from paucity of interlobular bile ducts, peripheral pulmonary stenosis, butterflylike vertebral arch defect, posterior embryotoxon, and peculiar facies. Recently, JAGGED1 has been identified as a responsible gene by demonstration of mutations in AGS patients. Studies of the JAGGED1 expression pattern demonstrate that minor features and almost all the elements in the long list of manifestations described in AGS patients are not coincidental. This finding suggests that the definition of AGS may be reconsidered in the light of JAGGED1 mutations.

Alagille Syndrome↗
PubMed2001

Restrictive dermopathy: report of a case and review of the literature.

BACKGROUND: Restrictive dermopathy is a rare autosomal recessive skin disorder that is fatal in the neonatal period. Clinical and pathologic findings are distinctive and allow for a specific diagnosis in most cases. METHODS: We present a case of an affected infant and a review of the previously reported cases in the literature. RESULTS: The infant had thick shiny skin with reduced compliance and multiple spontaneous linear splits. Additional findings included an abnormal facies with a distinctive small, round and open mouth, low set ears, small nose, widely spaced sutures, flexion contractures of the extremities, and poorly expanded lungs. The infant expired 65 h after birth. Histologic findings of the skin at autopsy included a relatively unremarkable epidermis, a flat dermal-epidermal junction (absent rete ridges), an overall thinned dermis with hypoplastic appendage structures, a dense fibrotic reticular dermis with collagen parallel to the epidermis, a sharp subcutaneous margin, and an abnormally thick layer of subcutaneous adipose tissue. Electron microscopic findings included dense dermal patches of collagen and fibroblasts with abundant endoplasmic reticulum and unusually small tonofilaments. Review of previously reported cases reveals strikingly consistent findings. CONCLUSIONS: This rare condition illustrates that abnormal cutaneous development may produce fetal hypokinesia, leading to profound effects on intrauterine growth and development. The autosomal recessive pattern of inheritance and morphologic changes of the skin and skeletal system in this disorder suggest that a structural protein or enzyme defect, perhaps of collagen metabolism, may underlie the pathogenesis.

Epidermis↗
PubMed2001

The effect of growth hormone on craniofacial growth and dental maturation in Turner syndrome.

Serial cephalometric and panoramic radiographs from a mixed longitudinal group of 28 subjects with Turner syndrome (TS), age 4.4-19.0 years, were evaluated for annualized growth increments of the craniofacial complex and dental development and were compared with a longitudinal control group from the Burlington growth study. The short and retrognathic face characteristic of the syndrome was due largely to the increased cranial base angle, decreased posterior face height, and decreased mandibular length, all of which were significantly different from the controls. Although increases in statural height occurred in the TS children who were treated with human growth hormone (GH), there was little or no effect on growth of the jaws, particularly in the older subjects, and the characteristic facies of the syndrome persisted. Dental development was advanced in all TS subjects, and GH administration had no effect on the rate of dental development.

Adolescent↗
PubMed2002

Schinzel-Giedion syndrome: interesting facial and orodental features, and dental management.

Schinzel-Giedion syndrome comprises multiple congenital anomalies. The orofacial features include coarse facies, frontal bossing, ocular hypertelorism, anterior open bite and macrodontia. Two cases are presented in which the presence of specific craniofacial anomalies with bilateral hydronephrosis confirmed the diagnosis. In one patient, bottle-feeding was associated with caries in maxillary central and lateral incisors, but the second patient was permanently tube fed and did not experience any dental caries. Clinical management of these patients requires a coordinated approach from a team of medical and dental specialists.

Abnormalities, Multiple↗
PubMed2000

Generalized eruptive keratoacanthoma (Grzybowski variant).

We describe a patient with generalized eruptive keratoacanthoma (KA) of Grzybowski showing the characteristic features of this extremely rare condition. Since the first description by Grzybowski in 1950, only 28 additional cases (including the present one) have been reported. This variety of KA most commonly affects patients during the fifth to seventh decade of life and appears as a generalized eruption of hundreds to thousands of follicular papules. The small pruriginous papules often have a keratotic centre and show microscopic features of KA. Marked facial involvement is characteristic and can lead to masked facies with ectropion, as in our patient. The course of the disease is chronic and the response to therapy is poor.

Acitretin↗
PubMed2002

Oral and maxillofacial surgical considerations for a case of Hutchinson-Gilford progeria.

Hutchinson-Guilford progeria is a rare genetic condition showing the stigmata of accelerated ageing combined with severe growth retardation. Patients with this condition show a classical facies and clinical features with an average age of death of 13, usually due to atherosclerotic changes. Craniofacial and dental manifestations include mandibular and maxillary hypoplasia, both vertically and horizontally. Delayed and abnormal tooth eruption and morphology are commonly present. The long-term medical prognosis and eruption potential of individual teeth is important when considering treatment. In addition to this, surgical planning and surgical technique must be modified by the abnormal facial morphology, dermal inelasticity, potential anaesthetic difficulties, and ongoing deterioration in the medical condition. These factors mandate early and definitive intervention for oral surgical conditions. We report the case of a 13-year-old male treated for pericoronitis and oral pain relating to delayed eruption of first permanent molars.

Child↗
PubMed2002

Cardio-facio-cutaneous syndrome: a case report.

Cardio-facio-cutaneous syndrome is a genetic disorder with a characteristic facies, abnormal skin and hair, mental retardation and congenital heart disease. It may be confused with Noonan's syndrome, which has a familial pattern and does not present hyperkeratotic skin lesions and abnormal hair, and there are few cases reported in the literature. We describe the first case of typical cardio-facio-cutaneous syndrome observed in Brazil.

Abnormalities, Multiple↗
PubMed2003

Anaesthetic implications of Costello syndrome.

Costello syndrome is a disorder that primarily involves ectodermal tissues and is characterized by mental and growth retardation, distinctive coarse facies, redundant skin (neck, palms and soles), and papillomata (perioral, nasal and anal). Of primary concern to anaesthesiologists are potential airway difficulties related a short neck, macroglossia, hypertrophied tonsillar and supraglottic tissues, laryngeal papillomata and choanal atresia. A significant percentage of patients also have cardiac involvement which may manifest as congenital heart defects, arrhythmias, valvular dysfunction, or hypertrophic cardiomyopathy. Central nervous system involvement includes developmental delay and seizure disorders while endocrine abnormalities have been reported including hypothalamic-pituitary dysfunction resulting in hypopituitarism, hypothyroidism, and hypoadrenalism. The authors present a 2-year old child with Costello syndrome who required anaesthesia for direct laryngoscopy, rigid bronchoscopy, bilateral pressure equalization tubes and tonsillectomy. The perioperative implications of the syndrome are discussed.

Abnormalities, Multiple↗
PubMed2006

Sporadic Larsen syndrome in a preterm female originally diagnosed as positional deformities due to oligohydramnios.

Few reports describe incidental prenatal diagnosis of sporadic Larsen syndrome by ultrasound, but none of these discuss coincidental oligohydramnios or an association with fetal growth restriction. A 28-year-old woman had prolonged rupture of membranes causing marked oligohydramnios at 32 weeks gestation in her first pregnancy. Labor was induced by vaginal prostaglandins and oxytocin infusion after dexamethasone administration because of concern about placental abruption. She delivered vaginally a live female infant weighing 1960 g (< 10th percentile) with multiple skeletal malformations and characteristic facies originally suspected as positional. Newborn x-rays, however, established the diagnosis of Larsen syndrome with bilateral dislocations of the hips, knees (genu recurvatum), and ankles (club foot). The neonatal karyotype was 46,XX. Parental examination and family history were unremarkable. The newborn did well with bilateral lower extremities cast. Postnatal diagnosis of Larsen syndrome should be suspected in neonates with multiple skeletal abnormalities following oligohydramnios.

Facies↗
PubMed1999

Refractory congenital ascites as a manifestation of neonatal sialidosis: clinical, biochemical and morphological studies in a newborn Syrian male infant.

A Syrian newborn with coarse facies, hepato-splenomegaly, and refractory ascites is reported. Examination of the ascitic fluid showed vacuolated lymphocytes and thin-layer chromatography of urinary oligosaccharides revealed an abnormal pattern indicative of sialidosis. Despite intensive care, the baby died of respiratory insufficiency 28 days after birth. In cultured skin fibroblasts an increase of the incorporation of [14C]methylamine pointed to excessive lysosomal storage and the demonstration of an isolated deficiency of alpha-N-acetylneuraminidase (sialidase) led to the diagnosis of a sialidosis. At postmortem examination, foam cells were found mostly in bone marrow, liver, and brain. To date very few cases of neonatal sialidosis have been reported, and, to the best of our knowledge, this is the first child with neonatal sialidosis from Syria and the first case of neonatal sialidosis studied by the [14C]methylamine incorporation assay.

Ascites↗
PubMed2001

22q11.2 deletion syndrome: DiGeorge, velocardiofacial, and conotruncal anomaly face syndromes.

A microdeletion of chromosome 22q11.2 is found in most patients with velocardiofacial syndrome, DiGeorge syndrome, and conotruncal anomaly face syndrome, and in some patients with Cayler cardiofacial and autosomal dominant Opitz-G/BBB syndromes. A wide spectrum of clinical findings accompanies the 22q11.2 deletion, without genotype or phenotype correlation even among affected family members. Classic features are dysmorphic facies, conotruncal cardiac defects, hypocalcemic hypoparathyroidism, T-cell mediated immune deficiency, and palate abnormalities. Less well recognized are learning, speech, feeding, and psychiatric disorders, and renal and musculoskeletal defects. Parathyroid and immune deficiencies in the same individual can progress or resolve with time. The 22q11.2 deletion can be inherited as an autosomal dominant or arise as a de novo deletion or translocation. Fluorescent in situ hybridization using cosmid probes mapping to the DiGeorge chromosomal region is a widely available method to detect the 22q11.2 deletion in metaphase chromosomes from cultured lymphocytes, amniocytes, or chorionic villi. The ubiquitin-fusion-degradation-1-like gene, expressed in embryonic branchial arches and in the conotruncus, appears to play a prominent role in the pathogenesis of the 22q11.2 deletion syndrome.

Child↗
PubMed2002

Kabuki syndrome: a review study of three hundred patients.

The Kabuki (make-up) syndrome identified in 1981 has been reported in more than three hundred patients. Typical findings include mild to moderate mental retardation, fetal pads, cleft palate, and characteristic facies with long palpebral fissures, everted lower lateral eyelids and arched eyebrows. Postnatal growth retardation, skeletal and visceral anomalies are present in a large percentage of patients. We review here the characteristics of this peculiar syndrome in three hundred patients.

Abnormalities, Multiple↗
PubMed2003

Dyshormonogenic hypothyroidism with normal neurological development, unexplained short stature and facial anomalies in three siblings.

We report three members of a family with clinical and laboratory features, consistent with dyshormonogenic hypothyroidism, with an autosomal recessive pattern of inheritance. Two had primary hypothyroidism with normal Tc(99m) thyroid scans, presenting with growth delay at ages of 7.5 and 2, and one had hypoplasia of the right lobe of the thyroid with left lobe hemiagenesis and low thyroid uptake in iodide thyroid scan, diagnosed at 14 months. They had slender facies with nasal retrognathic mandible and a prominent bridge. They had reasonably normal intellectual development despite delayed onset of treatment. Despite advancement of bone age with treatment the patients remained significantly short. Possible differential diagnoses are dyshormonogenic hypothyroidism, especially hyporesponsiveness to thyrotropin and short stature that may be due to an abnormal gene in this family.

Adolescent↗
PubMed2004

Dysmorphic facial features in aspartylglucosaminuria patients and carriers.

The facial photos of 76 aspartylglucosaminuria (AGU) patients, 29 obligate carriers and 78 unrelated controls were evaluated for dysmorphic features to see whether this autosomal recessive lysosomal storage disease includes a dysmorphic facial gestalt in addition to the well-known age-related coarsening of the facies and whether the carrier status of AGU might have an effect on the facial features. A consistent dysmorphic gestalt with hypertelorism, a short and broad nose with round nares, simple often small ears with small or missing lobule and modest folding of helices, thick lips and a square shape of face, was found to be present long before the coarsening begins. Recognition of this pattern of facial features might help in the early diagnosis of AGU. Statistically, puffy eyelids were found to be significantly more frequent in AGU carriers than in controls. These findings support an earlier implication that AGU carrier status might have a slight influence on the phenotype.

Adolescent↗
PubMedDate not supplied

Phenotypic differerencss in African Americans with Prader-Willi syndrome.

We report on 10 African Americans with Prader-Willi syndrome whose features differ from those of white patients with this condition. Growth is less affected, hand and foot lengths usually are normal, and the facies are atypical; this may lead to underdiagnosis in this population. We encourage clinicians to recognize these phenotypic differences so that diagnosis is not overlooked.

Adolescent↗